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942499990 = 25125974861
BaseRepresentation
bin111000001011010…
…110100010010110
32102200110221221001
4320023112202112
53412234444430
6233305013514
732233055245
oct7013264226
92380427831
10942499990
11444020213
1222378429a
13120357103
148d26095c
1557b243ca
hex382d6896

942499990 has 16 divisors (see below), whose sum is σ = 1697870160. Its totient is φ = 376695520.

The previous prime is 942499981. The next prime is 942499993. The reversal of 942499990 is 99994249.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942499993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24841 + ... + 50020.

It is an arithmetic number, because the mean of its divisors is an integer number (106116885).

Almost surely, 2942499990 is an apocalyptic number.

942499990 is a deficient number, since it is larger than the sum of its proper divisors (755370170).

942499990 is a wasteful number, since it uses less digits than its factorization.

942499990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76127.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 942499990 is about 30700.1627031519. The cubic root of 942499990 is about 980.4537639024.

The spelling of 942499990 in words is "nine hundred forty-two million, four hundred ninety-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 1259 2518 6295 12590 74861 149722 374305 748610 94249999 188499998 471249995 942499990